... physics involved in the phenomena, pressure wave generation from material interface of glass or PMMA surface in air or in water, and its high speed imaging, (Nakahara et al, 20 08) are described and ... series of studies, since it can be a simple and basically reliable measure of the real fluence value in any situation of the experiments, including in air or in water or in any fluid, applicable ... wave induces cavitation bubbles on its way to the focused point. Even so, one may see generation of many waves at reflected interface. Lasers – Applications in Science and Industry 1 38 where...